M5.3 earthquake 87 km N of Hihifo, Tonga
A magnitude 5.3 earthquake struck 87 km N of Hihifo, Tonga on Wed, Jul 24, 1985, 8:46 PM GMT-11 (07:46 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.8 68 km NNE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mb), moderate
- Local time
- UTC
- 1985-07-25 07:46:38 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.175° S, 173.660° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.095 km NNE of Hihifo, Tonga · 15014 days ago · 33 km deep · 22 km away
- 4.475 km NNE of Hihifo, Tonga · 15013 days ago · 33 km deep · 13 km away
- 5.868 km NNE of Hihifo, Tonga · 14986 days ago · 68 km deep · 27 km away
- 4.982 km NNW of Hihifo, Tonga · 14981 days ago · 139 km deep · 55 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002h2n. Read Tue, Sep 22, 2026, 7:22 AM UTC.